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- PDB-2i60: Crystal structure of [Phe23]M47, a scorpion-toxin mimic of CD4, i... -
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Open data
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Basic information
Entry | Database: PDB / ID: 2i60 | |||||||||
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Title | Crystal structure of [Phe23]M47, a scorpion-toxin mimic of CD4, in complex with HIV-1 YU2 GP120 envelope glycoprotein and anti-HIV-1 antibody 17B | |||||||||
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![]() | VIRAL PROTEIN/IMMUNE SYSTEM / HIV-1 / GP120 / YU2 / scorpion toxin / CD4 mimic / [Phe23]M47 / antibody / VIRAL PROTEIN-IMMUNE SYSTEM COMPLEX | |||||||||
Function / homology | ![]() Dectin-2 family / positive regulation of plasma membrane raft polarization / positive regulation of receptor clustering / host cell endosome membrane / clathrin-dependent endocytosis of virus by host cell / viral protein processing / fusion of virus membrane with host plasma membrane / fusion of virus membrane with host endosome membrane / : / viral envelope ...Dectin-2 family / positive regulation of plasma membrane raft polarization / positive regulation of receptor clustering / host cell endosome membrane / clathrin-dependent endocytosis of virus by host cell / viral protein processing / fusion of virus membrane with host plasma membrane / fusion of virus membrane with host endosome membrane / : / viral envelope / virion attachment to host cell / host cell plasma membrane / virion membrane / structural molecule activity / membrane Similarity search - Function | |||||||||
Biological species | ![]() ![]() ![]() synthetic construct (others) | |||||||||
Method | ![]() ![]() ![]() | |||||||||
![]() | Huang, C.-C. / Kwong, P.D. | |||||||||
![]() | ![]() Title: Combinatorial optimization of a CD4-mimetic miniprotein and cocrystal structures with HIV-1 gp120 envelope glycoprotein. Authors: Stricher, F. / Huang, C.C. / Descours, A. / Duquesnoy, S. / Combes, O. / Decker, J.M. / Kwon, Y.D. / Lusso, P. / Shaw, G.M. / Vita, C. / Kwong, P.D. / Martin, L. | |||||||||
History |
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Remark 999 | SEQUENCE A SEQUENCE DATABASE REFERENCE FOR ENTITIES 2, 3 AND 4 DOES NOT CURRENTLY EXIST |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 318.9 KB | Display | ![]() |
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PDB format | ![]() | 255.6 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Summary document | ![]() | 534.1 KB | Display | ![]() |
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Full document | ![]() | 577.4 KB | Display | |
Data in XML | ![]() | 64.3 KB | Display | |
Data in CIF | ![]() | 89.6 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 2i5yC ![]() 1yymS C: citing same article ( S: Starting model for refinement |
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Similar structure data |
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Links
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Assembly
Deposited unit | ![]()
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1 | ![]()
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2 | ![]()
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Unit cell |
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Components
-Antibody , 2 types, 4 molecules LQHR
#2: Antibody | Mass: 23399.898 Da / Num. of mol.: 2 / Fragment: ANTIGEN-BINDING FRAGMENT, FAB Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() #3: Antibody | Mass: 24457.387 Da / Num. of mol.: 2 / Fragment: ANTIGEN-BINDING FRAGMENT, FAB Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() |
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-Protein / Protein/peptide / Sugars , 3 types, 20 molecules GPMS

#1: Protein | Mass: 34838.691 Da / Num. of mol.: 2 / Fragment: CORE Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() ![]() #4: Protein/peptide | Mass: 2945.642 Da / Num. of mol.: 2 / Source method: obtained synthetically Details: This protein is a mimic of the protein that occurs naturally in Leiurus quinquestriatus hebraeus (Israeli scorpion) Source: (synth.) synthetic construct (others) #5: Sugar | ChemComp-NAG / |
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-Non-polymers , 2 types, 487 molecules 


#6: Chemical | #7: Water | ChemComp-HOH / | |
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-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 2.6 Å3/Da / Density % sol: 52.61 % |
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Crystal grow | Temperature: 293 K / Method: vapor diffusion, hanging drop / pH: 5.6 Details: PEG 4000, ISOPROPANOL, SODIUM citrate, pH 5.6, VAPOR DIFFUSION, HANGING DROP, temperature 293K |
-Data collection
Diffraction | Mean temperature: 100 K |
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Diffraction source | Source: ![]() ![]() ![]() |
Detector | Type: MARMOSAIC 300 mm CCD / Detector: CCD / Date: Apr 20, 2004 / Details: Si (220) |
Radiation | Monochromator: Si (220) / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 1 Å / Relative weight: 1 |
Reflection | Resolution: 2.3→50 Å / Num. obs: 67879 / % possible obs: 71.8 % / Observed criterion σ(I): -3 / Redundancy: 3.2 % / Biso Wilson estimate: 23.8 Å2 / Rsym value: 0.096 / Net I/σ(I): 15.3 |
Reflection shell | Resolution: 2.3→2.38 Å / Redundancy: 1.3 % / Mean I/σ(I) obs: 1.9 / Rsym value: 0.288 / % possible all: 19.9 |
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Processing
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Refinement | Method to determine structure: ![]() Starting model: PDB ENTRY 1YYM Resolution: 2.4→19.98 Å / Rfactor Rfree error: 0.004 / Data cutoff high absF: 363147.68 / Data cutoff low absF: 0 / Isotropic thermal model: RESTRAINED / Cross valid method: THROUGHOUT / σ(F): 0 / Stereochemistry target values: Engh & Huber
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Solvent computation | Solvent model: FLAT MODEL / Bsol: 38.4433 Å2 / ksol: 0.322487 e/Å3 | ||||||||||||||||||||
Displacement parameters | Biso mean: 37.4 Å2
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Refine analyze |
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Refinement step | Cycle: LAST / Resolution: 2.4→19.98 Å
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Refine LS restraints |
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LS refinement shell | Resolution: 2.4→2.49 Å / Rfactor Rfree error: 0.022 / Total num. of bins used: 10
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Xplor file |
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